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What is the reason for performing a double fork when creating a daemon?
I'm trying to create a daemon in python. I've found the following question , which has some good resources in it which I am currently following, but I'm curious as to why a double fork is necessary. I've scratched around google and found plenty of resources declaring that one is necessary, but not ...
Select by partial string from a pandas DataFrame
...
col
1 foobar
DataFrame.query
Supports string methods through the python engine. This offers no visible performance benefits, but is nonetheless useful to know if you need to dynamically generate your queries.
df1.query('col.str.contains("foo")', engine='python')
col
0 foo
1 foo...
How to explain dependency injection to a 5-year-old? [closed]
...revise the application. A typical implementation puts the configuration in XML and uses a framework to dynamically load classes.
share
answered Oct 28 '09 ...
Difference between getAttribute() and getParameter()
... initial parameters which are string parameters that are configured in web.xml and exist on the server.
An attribute is a server variable that exists within a specified scope i.e.:
application, available for the life of the entire application
session, available for the life of the session
request...
Setting Curl's Timeout in PHP
...result, the database consistently takes a long amount of time to return an XML response. To fix that, we set up a curl request, with what is supposed to be a long timeout.
...
Execute method on startup in Spring
... "Starting application..." );
}
}
Configure the subclass then in web.xml:
<listener>
<listener-class>
com.mycomp.myapp.web.context.ContextLoaderListener
</listener-class>
</listener>
...
How do I execute inserts and updates in an Alembic upgrade script?
... the official documentation, because it allows the use of agnostic SQL and pythonic writing and is also self-contained. SQLAlchemy Core is the best of both worlds for migration scripts.
Here is an example of the concept:
from sqlalchemy.sql import table, column
from sqlalchemy import String
from a...
git: How do I get the latest version of my code?
...l got the error, "CONFLICT (content): Merge conflict in selenium/ant/build.xml" (amongst others). I just want to overwrite the latest version of my file with what is in the repo. What can I do??
– Dave
Jun 13 '11 at 20:33
...
Android Studio inline compiler showing red errors, but compilation with gradle works fine
...ing used to the resource by opening the .idea/libraries/wire_runtime_1_2_0.xml directly.
My broken one was:
<component name="libraryTable">
<library name="wire-runtime-1.2.0">
<CLASSES>
<root url="jar://$PROJECT_DIR$/MY_MODULE/libs/wire-runtime-1.2.0.jar!/" />...
Django Setup Default Logging
... the root key of the logging configuration dictionary. I found this in the Python documentation:
root - this will be the configuration for the root logger. Processing of the configuration will be as for any logger, except that the propagate setting will not be applicable.
Here's the configurat...